Add chul model serializers.
Add chul model serializers.

urandu/mfl_api,urandu/mfl_api,MasterFacilityList/mfl_api,urandu/mfl_api,urandu/mfl_api,MasterFacilityList/mfl_api,MasterFacilityList/mfl_api,MasterFacilityList/mfl_api,MasterFacilityList/mfl_api